package pe.edu.upc.xcode.food.common;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import pe.edu.upc.xcode.food.domain.Usuario;

/**
 * Servlet Filter implementation class FoodFilter
 */
public class FoodFilter implements Filter {

	/**
	 * Default constructor.
	 */
	public FoodFilter() {
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub
		// place your code here
		HttpServletRequest httpServletRequest = (HttpServletRequest) request;
		HttpServletResponse httpServletResponse = (HttpServletResponse) response;
		// hres.sendRedirect("index.jsp");
		// return;
		// pass the request along the filter chain
		
		
		HttpSession session = httpServletRequest.getSession();
		Usuario usuario = (Usuario) session.getAttribute("usuario");
		if (usuario == null) {
			httpServletResponse.sendRedirect(httpServletRequest.getContextPath()+"/main/home.htm");
		}
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}
